shut in

verb
  1. 1

    To confine.

    โ€œWe need to shut the dog in so he doesn't escape.โ€

  2. 2

    To completely surround or enclose.

  3. 3

    To settle down, or fall; to arrive; (said of evening, etc.)

Source: https://en.wiktionary.org/wiki/shut%20in